Hello. The manpage for timerfd_create(2) says : "The clockid argument specifies the clock that is used to mark the progress of the timer, and must one of the following" Which should rather say : "The clockid argument specifies the clock that is used to mark the progress of the timer, and must be one of the following" There's a missing "be" before "one of the following". Kind regards, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html